/*
 * x * Copyright 2010 Daniel Kurka
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.googlecode.mgwt.examples.showcase.client;

import com.google.gwt.activity.shared.ActivityMapper;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.GWT.UncaughtExceptionHandler;
import com.google.gwt.dom.client.StyleInjector;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.googlecode.mgwt.examples.showcase.client.css.AppBundle;
import com.googlecode.mgwt.examples.showcase.client.places.HomePlace;
import com.googlecode.mgwt.mvp.client.AnimatableDisplay;
import com.googlecode.mgwt.mvp.client.AnimatingActivityManager;
import com.googlecode.mgwt.mvp.client.AnimationMapper;
import com.googlecode.mgwt.mvp.client.history.MGWTPlaceHistoryHandler;
import com.googlecode.mgwt.ui.client.MGWT;
import com.googlecode.mgwt.ui.client.MGWTSettings;
import com.googlecode.mgwt.ui.client.MGWTSettings.ViewPort;
import com.googlecode.mgwt.ui.client.MGWTSettings.ViewPort.DENSITY;
import com.googlecode.mgwt.ui.client.dialog.TabletPortraitOverlay;
import com.googlecode.mgwt.ui.client.layout.MasterRegionHandler;
import com.googlecode.mgwt.ui.client.layout.OrientationRegionHandler;

/**
 * @author Daniel Kurka
 * 
 */
public class ShowCaseEntryPoint implements EntryPoint {

	private void start() {

		// MGWTColorScheme.setBaseColor("#56a60D");
		// MGWTColorScheme.setFontColor("#eee");
		//
		// MGWTStyle.setTheme(new MGWTColorTheme());
		//
		// MGWTStyle.setDefaultBundle((MGWTClientBundle)
		// GWT.create(MGWTStandardBundle.class));
		// MGWTStyle.getDefaultClientBundle().getMainCss().ensureInjected();

		//MGWTStyle.setTheme(new CustomTheme());

		ViewPort viewPort = new MGWTSettings.ViewPort();
		viewPort.setTargetDensity(DENSITY.MEDIUM);
		viewPort.setUserScaleAble(false).setMinimumScale(1.0).setMinimumScale(1.0).setMaximumScale(1.0);

		MGWTSettings settings = new MGWTSettings();
		settings.setViewPort(viewPort);
		settings.setIconUrl("logo.png");
		settings.setAddGlosToIcon(true);
		settings.setFullscreen(true);
		settings.setPreventScrolling(true);

		MGWT.applySettings(settings);

		final ClientFactory clientFactory = new ClientFactoryImpl();

		// Start PlaceHistoryHandler with our PlaceHistoryMapper
		AppPlaceHistoryMapper historyMapper = GWT.create(AppPlaceHistoryMapper.class);

		if (MGWT.getOsDetection().isTablet()) {

			// very nasty workaround because GWT does not corretly support
			// @media
			StyleInjector.inject(AppBundle.INSTANCE.css().getText());

			createTabletDisplay(clientFactory);
		} else {

			createPhoneDisplay(clientFactory);

		}

		AppHistoryObserver historyObserver = new AppHistoryObserver();

		MGWTPlaceHistoryHandler historyHandler = new MGWTPlaceHistoryHandler(historyMapper, historyObserver);

		historyHandler.register(clientFactory.getPlaceController(), clientFactory.getEventBus(), new HomePlace());
		historyHandler.handleCurrentHistory();

	}

	private void createPhoneDisplay(ClientFactory clientFactory) {
		AnimatableDisplay display = GWT.create(AnimatableDisplay.class);

		PhoneActivityMapper appActivityMapper = new PhoneActivityMapper(clientFactory);

		PhoneAnimationMapper appAnimationMapper = new PhoneAnimationMapper();

		AnimatingActivityManager activityManager = new AnimatingActivityManager(appActivityMapper, appAnimationMapper, clientFactory.getEventBus());

		activityManager.setDisplay(display);

		RootPanel.get().add(display);

	}

	private void createTabletDisplay(ClientFactory clientFactory) {
		SimplePanel navContainer = new SimplePanel();
		navContainer.getElement().setId("nav");
		navContainer.getElement().addClassName("landscapeonly");
		AnimatableDisplay navDisplay = GWT.create(AnimatableDisplay.class);

		final TabletPortraitOverlay tabletPortraitOverlay = new TabletPortraitOverlay();

		new OrientationRegionHandler(navContainer, tabletPortraitOverlay, navDisplay);
		new MasterRegionHandler(clientFactory.getEventBus(), "nav", tabletPortraitOverlay);

		ActivityMapper navActivityMapper = new TabletNavActivityMapper(clientFactory);

		AnimationMapper navAnimationMapper = new TabletNavAnimationMapper();

		AnimatingActivityManager navActivityManager = new AnimatingActivityManager(navActivityMapper, navAnimationMapper, clientFactory.getEventBus());

		navActivityManager.setDisplay(navDisplay);

		RootPanel.get().add(navContainer);

		SimplePanel mainContainer = new SimplePanel();
		mainContainer.getElement().setId("main");
		AnimatableDisplay mainDisplay = GWT.create(AnimatableDisplay.class);

		TabletMainActivityMapper tabletMainActivityMapper = new TabletMainActivityMapper(clientFactory);

		AnimationMapper tabletMainAnimationMapper = new TabletMainAnimationMapper();

		AnimatingActivityManager mainActivityManager = new AnimatingActivityManager(tabletMainActivityMapper, tabletMainAnimationMapper, clientFactory.getEventBus());

		mainActivityManager.setDisplay(mainDisplay);
		mainContainer.setWidget(mainDisplay);

		RootPanel.get().add(mainContainer);

	}

	@Override
	public void onModuleLoad() {

		GWT.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {

			@Override
			public void onUncaughtException(Throwable e) {
				Window.alert("uncaught: " + e.getMessage());
				String s = buildStackTrace(e, "RuntimeExceotion:\n");
				Window.alert(s);
				e.printStackTrace();

			}
		});

		new Timer() {
			@Override
			public void run() {
				start();

			}
		}.schedule(1);

		alertSomeStuff();

	}

	private native void alertSomeStuff()/*-{

//		$doc.addEventListener("scroll", (function() {
//			alert('scroll');
//		}), true);
	}-*/;

	private String buildStackTrace(Throwable t, String log) {

		if (t != null) {
			log += t.getClass().toString();
			log += t.getMessage();
			//
			StackTraceElement[] stackTrace = t.getStackTrace();
			if (stackTrace != null) {
				StringBuffer trace = new StringBuffer();

				for (int i = 0; i < stackTrace.length; i++) {
					trace.append(stackTrace[i].getClassName() + "." + stackTrace[i].getMethodName() + "(" + stackTrace[i].getFileName() + ":" + stackTrace[i].getLineNumber());
				}

				log += trace.toString();
			}
			//
			Throwable cause = t.getCause();
			if (cause != null && cause != t) {

				log += buildStackTrace(cause, "CausedBy:\n");

			}
		}
		return log;
	}

}
